Motorcycle exhaust pipe system



FIG. 1 is a perspective view of right side elevation of the present invention.

FIG. 2 is a rear view.

FIG. 3 is a front view; and,

FIG. 4 is a top plan view.

The broken line showing in FIGS. 1-4 are for illustrational purposes only and forms no part of the claimed invention. 

The ornamental design for a motorcycle exhaust pipe system, as shown and described. 